package com.ruoyi.web.controller.common;

import cn.hutool.core.util.StrUtil;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.page.ResponseResult;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.BusiException;
import com.ruoyi.common.utils.SmsUtil;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.file.AliOss;
import com.ruoyi.common.utils.file.FileUploadUtils;
import com.ruoyi.common.utils.file.FileUtils;
import com.ruoyi.common.utils.file.MimeTypeUtils;
import com.ruoyi.framework.config.ServerConfig;
import com.ruoyi.system.service.ISysConfigService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import net.coobird.thumbnailator.Thumbnails;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * 通用请求处理
 *
 * @author ruoyi
 */
@RestController
@RequestMapping("/common")
@Api(tags = "通用接口")

public class CommonController extends BaseController {
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ServerConfig serverConfig;
    @Autowired
    private RedisCache redisCache;

    @Autowired
    private ISysConfigService configService;

    private static final String FILE_DELIMETER = ",";


    @ApiOperation(value = "发送验证码", notes = "type=register 注册验证码  bank 银行卡验证码  password 密码验证 ")
    @GetMapping("smsCode")
    public ResponseResult smsCode(String phone, String type) {
        String code = "";

        code = redisCache.getCacheObject("phone:" + phone);
        if (StrUtil.isNotBlank(code)) {
            return ResponseResult.createByErrorMessage("验证码未失效,请继续使用");
        }
        code = "";
        while (code.length() < 4) {
            code += (int) (Math.random() * 10);
        }
        SmsUtil.sendMsg(phone, code);
        redisCache.setCacheObject("phone:" + phone, code, 10, TimeUnit.MINUTES);
        return ResponseResult.createBySuccess();
    }

    /**
     * 通用下载请求
     *
     * @param fileName 文件名称
     * @param delete   是否删除
     */
    @GetMapping("/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request) {
        try {
            if (!FileUtils.checkAllowDownload(fileName)) {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = RuoYiConfig.getDownloadPath() + fileName;

            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
            if (delete) {
                FileUtils.deleteFile(filePath);
            }
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }

    @PostMapping("/upload")
    public AjaxResult upload(MultipartFile file) throws Exception {
        try {
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file);
            String url = serverConfig.getUrl() + fileName;
            AjaxResult ajax = AjaxResult.success();
            ajax.put("url", url);
            ajax.put("fileName", fileName);
            ajax.put("newFileName", FileUtils.getName(fileName));
            ajax.put("originalFilename", file.getOriginalFilename());

            return ajax;
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 通用上传图片
     */
//    @ApiOperation(value = "使用这个接口上传图片", notes = "使用这个接口上传图片")
//    @PostMapping("/uploadPic")
//    public ResponseResult uploadPic(MultipartFile file) throws Exception {
//        // 上传文件路径
//        String avatar = FileUploadUtils.upload(RuoYiConfig.getAvatarPath(), file, MimeTypeUtils.IMAGE_EXTENSION);
////        String pic = RuoYiConfig.getFileApi() + avatar;
//
//        String pic = configService.selectConfigByKey("fileApi") + avatar;
////        String fileApi = redisCache.getCacheObject("fileApi");
//
//        return ResponseResult.createBySuccess(pic);
//    }

    /**
     * 通用上传图片
     */
    @ApiOperation(value = "使用这个接口上传图片-oss", notes = "使用这个接口上传图片")

    @PostMapping("/uploadPic")
    public ResponseResult uploadPic(MultipartFile file) throws Exception {
        checkFile(file);
        InputStream inputStream = file.getInputStream();

        //按照比例进行缩小和放大
        BufferedImage bufferedImage
                = Thumbnails.of(inputStream).scale(0.5f).asBufferedImage();//按比例缩小
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        try {
            ImageIO.write(bufferedImage, "jpg", os);
        } catch (Exception e) {
//            String upload = FileUploadUtils.upload(file);
            // 上传文件路径
            String avatar = FileUploadUtils.upload(RuoYiConfig.getAvatarPath(), file, MimeTypeUtils.IMAGE_EXTENSION);
            String pic = configService.selectConfigByKey("fileApi") + avatar;
            return ResponseResult.createBySuccess(pic);

        }
        ByteArrayInputStream inputStream1 = new ByteArrayInputStream(os.toByteArray());
        String filename = FileUploadUtils.extractFilename(file);
        // String pic = AliOss.uploadToOss(file, "common/"+filename);
        String pic = AliOss.uploadToOss(inputStream1, "common/" + filename);
        return ResponseResult.createBySuccess(pic);
    }

    private void checkFile(MultipartFile file) {
        long maxSize = 1024 * 1024;
        long size = file.getSize();
        if (size > maxSize) {
            throw new BusiException("文件过大, 请上传正确的截图");
        }

    }

    /**
     * 通用上传请求（多个）
     */
    @PostMapping("/uploads")
    public AjaxResult uploadFiles(List<MultipartFile> files) throws Exception {
        try {
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            List<String> urls = new ArrayList<String>();
            List<String> fileNames = new ArrayList<String>();
            List<String> newFileNames = new ArrayList<String>();
            List<String> originalFilenames = new ArrayList<String>();
            for (MultipartFile file : files) {
                // 上传并返回新文件名称
                String fileName = FileUploadUtils.upload(filePath, file);
                String url = serverConfig.getUrl() + fileName;
                urls.add(url);
                fileNames.add(fileName);
                newFileNames.add(FileUtils.getName(fileName));
                originalFilenames.add(file.getOriginalFilename());
            }
            AjaxResult ajax = AjaxResult.success();
            ajax.put("urls", StringUtils.join(urls, FILE_DELIMETER));
            ajax.put("fileNames", StringUtils.join(fileNames, FILE_DELIMETER));
            ajax.put("newFileNames", StringUtils.join(newFileNames, FILE_DELIMETER));
            ajax.put("originalFilenames", StringUtils.join(originalFilenames, FILE_DELIMETER));
            return ajax;
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        try {
            if (!FileUtils.checkAllowDownload(resource)) {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = RuoYiConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }
}
